In Jainism, the term "Astraw" (or "Astrav") is derived from the Sanskrit word "Astra", which generally means "weapon". However, in the context of Jain philosophy, especially when referring to "Ashtapravachana Mata" or Jain scriptures, "Astrav" has a specific meaning.

Astrav no Arth means the meaning of "Astrav".

In Jain Agamas (scriptures) and commentaries, "Astrav" refers to the eight types of karma. The word "Aṣṭa" means "eight", and "prav" is a derivative linked to the term "pravachana" (teaching or doctrine). But in the context of karma theory, "Astrav" relates to the eight main types (mūl prakṛti) of karma that bind to the soul (ātmā):

1. Jñānāvaraṇīya Karma (Knowledge-obscuring)
2. Darśanāvaraṇīya Karma (Perception-obscuring)
3. Mohaniya Karma (Deluding)
4. Antarāya Karma (Obstructing)
5. Vedanīya Karma (Feeling-producing)
6. Nāma Karma (Body-determining)
7. Gotra Karma (Status-determining)
8. Āyu Karma (Life-span determining)

Therefore, "Astrav no Arth" in Jainism refers to the eight primary categories of karma that bind to the soul and influence its journey through samsara (cycle of birth and death).

If your context is different or you are referring to another Jain term spelled "Astrav," please provide more details for a precise answer.